EP1755117A1 - Système d"enregistrement d"informations, dispositif et procédé d"enregistrement d"informations - Google Patents
Système d"enregistrement d"informations, dispositif et procédé d"enregistrement d"informations Download PDFInfo
- Publication number
- EP1755117A1 EP1755117A1 EP05751085A EP05751085A EP1755117A1 EP 1755117 A1 EP1755117 A1 EP 1755117A1 EP 05751085 A EP05751085 A EP 05751085A EP 05751085 A EP05751085 A EP 05751085A EP 1755117 A1 EP1755117 A1 EP 1755117A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- recording
- information
- layers
- layer
- area
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 88
- 238000002834 transmittance Methods 0.000 claims abstract description 38
- 230000008569 process Effects 0.000 claims description 66
- 230000001678 irradiating effect Effects 0.000 claims description 7
- 239000010410 layer Substances 0.000 description 304
- 230000003287 optical effect Effects 0.000 description 101
- 230000005540 biological transmission Effects 0.000 description 26
- 238000007726 management method Methods 0.000 description 14
- 239000000758 substrate Substances 0.000 description 13
- 230000008859 change Effects 0.000 description 10
- 101000812677 Homo sapiens Nucleotide pyrophosphatase Proteins 0.000 description 8
- 102100039306 Nucleotide pyrophosphatase Human genes 0.000 description 8
- 230000002427 irreversible effect Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 239000002355 dual-layer Substances 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 3
- 102100031830 Afadin- and alpha-actinin-binding protein Human genes 0.000 description 2
- 101710182459 Afadin- and alpha-actinin-binding protein Proteins 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
- G11B7/1267—Power calibration
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
- G11B7/00736—Auxiliary data, e.g. lead-in, lead-out, Power Calibration Area [PCA], Burst Cutting Area [BCA], control information
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
- G11B20/00217—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
- G11B20/00253—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier
- G11B20/00326—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier the key being embossed on the record carrier
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
- G11B20/00746—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number
- G11B20/00753—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags
- G11B20/00768—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags wherein copy control information is used, e.g. for indicating whether a content may be copied freely, no more, once, or never, by setting CGMS, SCMS, or CCI flags
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2403—Layers; Shape, structure or physical properties thereof
- G11B7/24035—Recording layers
- G11B7/24038—Multiple laminated recording layers
Definitions
- the present invention relates to an information recording medium, such as a DVD, an information recording apparatus, such as a DVD recorder, and an information recording method.
- the information recording medium such as a CD and a DVD
- a multiple layer or multilayer type, or dual layer type optical disc and so on in which a plurality of recording layers are stacked or laminated on the same substrate.
- the information recording apparatus such as a CD recorder, for recording information onto such a dual layer type (i.e.
- the information is recorded into a recording layer located on the front or the closest side as viewed from the emission or irradiation side of laser light (referred to as an "L0 layer” in this application, as occasion demands), in a rewritable method or irreversible change recording method by irreversible change recording heat by using heat or the like, by focusing the laser light for recording on the L0 layer.
- L0 layer a recording layer located on the front or the closest side as viewed from the emission or irradiation side of laser light
- the information is recorded into a recording layer located on the rear or the farthest side of the L0 layer as viewed from the irradiation side of the laser light (referred to as an "L1 layer" in this application), in a rewritable method or irreversible change recording method by irreversible change recording heat by using heat or the like, by focusing the laser light on the L1 layer through the L0 layer or the like.
- L1 layer a recording layer located on the rear or the farthest side of the L0 layer as viewed from the irradiation side of the laser light
- an optimum recording laser power (referred to as an "optimum recording power" in this application, as occasion demands) is set by an OPC (Optimum Power Control) process, depending on the type of the optical disc and the type and recording rate of the information recording /reproducing apparatus, and so on. That is, the calibration is performed for the recording power.
- OPC Optimum Power Control
- the OPC area is provided for each of the two recording layers, and the OPC process is performed for each of the two layers.
- the two-layer type optical disc with regard to the detection of the optimum recording power in the L1 layer, it is necessary to properly respond to two types of recording states in the L1 layer through which the laser light is transmitted. This is because, normally, if the L0 layer is already recorded, the light transmittance to the L1 layer of the L0 layer decreases, which increases the value of the optimum recording power. On the other hand, if the L0 layer is unrecorded, the light transmittance to the L1 layer of the L0 layer is relatively high, which reduces the value of the optimum recording power.
- Patent document 1 Japanese Patent Application Laying Open NO. 2001-52337
- an information recording medium provided with: a first recording layer to record therein first information which is at least one portion of record information; and one or a plurality of second recording layers, which are disposed on the first recording layer, to record therein second information which is at least another portion of the record information, wherein each of the second recording layers has a predetermined area in which power calibration is performed to detect an optimum recording power of laser light for recording, which is transmitted through the first recording layer and other layers of the second recording layers, the first recording layer, the other layers of the second recording layers, and said each of said second recording layers arranged in this order as viewed from an irradiation side of the laser light, and in a facing area which faces the predetermined area in the other layers of said second recording layers and the first recording layer, by forming embossed pits, light transmittance of the facing area is made closer to (i) light transmittance under an assumption that (i-1) the embossed pits are not formed and that (i-2) the other layers and the first recording layer,
- the first recording layer and the one or the plurality of second recording layers are stacked or laminated on one side of a disc-shaped substrate, for example.
- the information recording medium is a two-layer type or a multilayer type DVD or optical disc, or the like.
- the record information such as audio, video information or content information, can be recorded into the first recording layer.
- the record information such as audio, video information or content information, can be recorded into each of the second recording layers.
- each of the second recording layers is the second layer, as counted from the irradiation direction of the laser light for recording, there are no other layers of the second recording layers. Moreover, if each of the second recording layers is the third layer, there is one other layer of the second recording layers. If each of the second recording layers is the fourth layer, there are two other layers of the second recording layers.
- Each of the second recording layers is provided with the predetermined area, such as an OPC area, in which the power calibration is performed to detect the optimum recording power of the laser light for recording.
- the facing area which faces the predetermined area is provided in the first recording layer and the other layers of the second recording layers.
- the facing area it is possible to adjust the light transmittance of the laser light for recording, by forming the embossed pits. If the embossed pits are not formed in the facing area in the first recording layer and the other layers of the second recording layers, such a process is required that the facing area in the first recording layer and the other layers of the second recording layers, through which the laser light is transmitted, is made in a recorded condition by an information recording apparatus described later, in order to properly detect the optimum recording power of the predetermined area of each of the second recording layers.
- the present invention by forming the embossed pits in the facing area provided in the first recording layer and the other layers of the second recording layers upon the production of the information recording medium, such as an optical disc, for example, it is possible to make the light transmittance of the facing area in which light is transmitted to the predetermined area of each of the second recoding layers, closer to (i) the light transmittance under the assumption that (i-1) the embossed pits are not formed and that (i-2) the first recording layer and the other layers of the second recording layers are already recorded, as compared to (ii) the light transmittance under the assumption that (ii-1) the embossed pits are not formed and that (ii-2) the first recording layer and the other layers of the second recording layers are unrecorded.
- the light transmittance of the facing area is set to be same as the light transmittance under the assumption that the embossed pits are not formed and that the other layers and the first recording layer are already recorded, by forming the embossed pits in the facing area.
- the expression “same as” or “equal to” includes not only a meaning of “completely equal to” but also such a meaning of the light transmittance which is equal enough to be regarded as the same, in performing the power calibration.
- the predetermined area is smaller than the facing area.
- the predetermined area in which the OPC process is performed in each of the second recording layers is made smaller than the facing area in which the embossed pits are formed in the first recording layer and the other layers of the second recording layers, so that it is possible to ensure a margin for the influence of an eccentricity between the layers, the divergence of the laser light, or the like in the two-layer type optical disc.
- encryption information for encrypting or decrypting the record information is recorded by forming the embossed pits, in the facing area.
- the embossed pits are formed to adjust the light transmittance.
- the encryption information such as an encryption key to encrypt or decrypt particular record information for copyright protection or CCI (Copy Control Information)
- CCI Copy Control Information
- control information for controlling at least one of a recording operation and a reproduction operation of the record information is recorded by forming the embossed pits, in the facing area.
- the embossed pits are formed to adjust the light transmittance.
- the control information for controlling at least one of the recording operation and the reproduction operation of the record information is recorded by forming the embossed pits in the facing area, which allows more efficient use of the recording area.
- At least one of the first recording layer and each of the second recording layers further has a management information recording area to record therein management information, and identification information for identifying whether or not the embossed pits are formed in the facing area, is recorded in the management information recording area, as the management information.
- the identification information such as a flag
- the information recording apparatus described later in a seek operation or the like, so that it is possible to realize the OPC process suitable for the information recording medium, more quickly and accurately.
- each of the other layers and the first recording layer have a first predetermined area in which the power calibration is performed for the other layers and the first recording layer, in an area different from the facing area.
- the power calibration is performed for each of the second recording layers, through the embossed pits, in the predetermined area provided in each of the second recording layers.
- the power calibration is performed for the first recording layer and the other layers of the second recording layers, in the first predetermined area provided in the first recording layer and the other layers of the second recording layers.
- the facing area and the first predetermined area are constructed to be shifted away from each other in the radial direction, not to be overlapped.
- the laser light when the test writing is performed in the predetermined area is transmitted through the facing area or an unrecorded area, provided in the first recording layer and the other layers of the second recording layers, so that it is not transmitted through the first predetermined area.
- the test writing in the predetermined area of each of the second recording layers becomes inaccurate due to the state of the first predetermined area, i.e. whether it is recorded or unrecorded with test-writing information.
- the optical characteristic such as the light transmittance
- the test writing in the predetermined area, performed through this area becomes more or less inaccurate.
- each of the second recording layers has a second predetermined area in which the power calibration is performed for each of the second recording layers, in an area which is different from the predetermined area and which does not face the facing area.
- each of the second recording layers further has the second predetermined area, in order to perform the power calibration with the laser light for recording, transmitted through a portion in an unrecorded condition in the first recording layer and the other layers of the second recording layers.
- the second predetermined area in order to perform the power calibration with the laser light for recording, transmitted through a portion in an unrecorded condition in the first recording layer and the other layers of the second recording layers.
- At least one of the first recording layer and each of the second recording layers further has a management area to record therein a value of the detected optimum recording power.
- the OPC process is performed at each time of the recording operation performed by the information recording apparatus described later, or simultaneously or in tandem, with respect to the first recording layer and each of the second recording layers. Then, the value of the optimum recording power for each recording layer, detected by this OPC process, is recorded into the management area. Then, by reading the value of the optimum recording power recorded in the management area, it is possible to realize a more accurate and quick recording operation.
- the value of the optimum recording power may be stored in a storage apparatus, such as a memory, mounted in the information recording apparatus.
- an information recording apparatus for recording the record information onto the information recording medium according to claim 1, the information recording apparatus provided with: a writing device for writing test-writing information which is at least another portion of the record information into the first recording layer by irradiating the laser light for recording so as to focus on the first recording layer, and for writing the test-writing information into each of the second recording layers by irradiating the laser light for recording so as to focus on each of the second recording layers; and a test-writing control device for controlling the writing device (I) to test-write the test-writing information for the power calibration of the laser light for recording with respect to each of the second recording layers, in the predetermined area through the facing area and (II) to test-write the test-writing information for the power calibration of the laser light for recording with respect to the other layers and the first recording layer, in a first predetermined area provided in an area different from the facing area.
- a writing device for writing test-writing information which is at least another portion of the record information into the first recording layer by irradiating the laser light for recording
- the OPC process for at least two recording layers can be efficiently performed by the writing device, including an optical pickup or the like, with respect to the above-mentioned information recording medium of the present invention, under the control of the test-writing control device, including a CPU (Central Processing Unit) or the like, for example.
- the writing device including an optical pickup or the like
- the test-writing control device including a CPU (Central Processing Unit) or the like, for example.
- CPU Central Processing Unit
- the embossed pits in the facing area provided in the first recording layer and the other layers of the second recording layers upon the production of the information recording medium, such as an optical disc, for example, it is possible to set the light transmittance of the facing area in which light is transmitted to the predetermined area, to be substantially the same or completely the same as that of the facing area in the recorded condition. Therefore, it is possible to omit the recording operation for making the first recording layer and the other layers of the second recording layers, in the recorded condition, as occasion demands, before the OPC process is performed by the writing device for each of the second recording layers, under the control of the test-writing control device.
- the information recording apparatus of the present invention it is possible to detect the value of the optimum recording power for each of the second recording layers, more quickly and accurately.
- the information recording apparatus of the present invention can adopt the same various aspects as those of the above-mentioned information recording medium of the present invention.
- the information recording method of the present invention as in the case of the above-mentioned information recording apparatus of the present invention, it is possible to omit the recording operation for making the first recording layer and the other layers of the second recording layers, in the recorded condition, as occasion demands, before the OPC process is performed by the writing device for each of the second recording layers, under the control of the test-writing control device.
- the information recording method of the present invention it is possible to detect the value of the optimum recording power for each of the second recording layers, more quickly and accurately.
- the information recording method of the present invention can adopt the same various aspects as those of the above-mentioned information recording apparatus of the present invention.
- the information recording medium of the present invention it is provided with: the first recording layer and the other layers of the second recording layers, which are provided with the facing area formed by the embossed pits which can adjust the light transmittance; and each of the second recording layers which is provided with the predetermined area.
- the information recording apparatus and method they are provided with, the writing device and the test-writing control device, and the test writing control process, respectively.
- the writing device and the test-writing control device, and the test writing control process respectively.
- FIGs. 1 to FIG. 4 an optical disc in the first embodiment of the information recording medium of the present invention will be explained in detail.
- laser light is emitted or irradiated from the upper side to the lower side.
- an L0 layer (a first recording layer) is located on the upper side.
- FIG. 3 to FIG. 6 the laser light is irradiated from the lower side to the upper side.
- the L0 layer (the first recording layer) is located on the lower side.
- FIG. 1(a) is a substantial plan view showing the basic structure of an optical disc having a plurality of recording areas in an embodiment of the information recording medium of the present invention
- FIG. 1(b) is a schematic cross sectional view showing the optical disc, and a schematic conceptual view showing a recording area structure in the radial direction of the optical disc corresponding to the cross sectional view.
- an optical disc 100 has a recording surface on a disc main body with a diameter of about 12 cm, as is a DVD.
- the optical disc 100 is provided with: a lead-in area 101; a data recording area 102; and a lead-out area 103 or a middle area 104, with a center hole 1 as the center.
- the lead-in area 101 is provided with an OPC area PCA0 or PCA1 in which an OPC process is performed.
- the recording layers or the like are stacked or laminated on a transparent substrate 106 of the optical disc 100.
- a track or tracks 10 such as a groove track and a land track, are alternately placed, spirally or concentrically, with the center hole 1 as the center.
- data is divided and recorded by a unit of ECC block 11.
- the ECC block 11 is a data management unit based on a pre-format address in which record information is error-correctable.
- the present invention is not particularly limited to the optical disc having these three areas.
- the lead-in area 101, the lead-out area 103, or the middle area 104 does not exist, a data structure explained below can be constructed.
- the lead-in area 101, the lead-out area 103, or the middle area 104 may be further segmentized.
- the optical disc 100 in the embodiment has such a structure that an L0 layer and an L1 layer, which constitute one example of the first and second recording layers in the present invention described later, respectively, are laminated on the transparent substrate 106.
- the recording / reproduction is performed in the L0 layer or the L1 layer, depending on which recording layer has the focus position of laser light LB, irradiated from the upper side to the lower side in FIG. 1(b).
- the optical disc 100 in the embodiment is not limited to a two-layer, single-sided type, i.e., a dual layer type, but may be a two-layer, double-sided type, i.e. a dual layer, double-sided type.
- the optical disc 100 in the embodiment is not limited to the optical disc having the two recording layers, as described above, but may be an optical disc of a multilayer type which has three or more layers.
- the recording / reproducing procedure of the two-layer type optical disc may be an opposite method in which the directions of track paths are opposite in the two recording layers, or may be a parallel method in which the directions of track paths are the same in the two recording layers, for example.
- the optical disc 100 in the first embodiment is constructed as a two-layer type optical disc in which a plurality of data zones 102 or the like are formed in a laminated structure.
- FIG. 2 is a partially enlarged perspective view showing a recording surface of the optical disc in the first embodiment of the information recording medium of the present invention.
- a first recording layer 107 i.e. the L0 layer
- a phase change type or of an irreversible change recording type by heat or the like which constitutes an information recording surface is laminated on and on the lower side of a disc-shaped transparent substrate 106, and a semitransparent reflective film 108 is laminated on the lower side thereof.
- a groove track GT and a land track LT are alternately formed on the information recording surface which is the surface of the first recording layer 107.
- the groove track GT is irradiated with the laser light LB through the transparent substrate 106.
- the writing by a phase change or the irreversible change recording by heat is performed for the first recording layer 107, in accordance with the record data.
- the reproduction by irradiating the laser light LB with a reproduction laser power weaker than the recording laser power, the data recorded in the first recording layer 107 is read.
- the groove track GT is wobbled with a certain amplitude and at a certain spatial frequency.
- the groove track GT is wobbled, and the cycle of the wobble 109 is set to a predetermined value.
- On the land track LT there is formed an address pit which is referred to as a land pre-pit LP and which indicates pre-format address information.
- the two addressing i.e. the wobble 109 and the land pre-pit LP
- a second recording layer 207 (i.e. the L1 layer) is laminated on and on the lower side of the semitransparent reflective film 108, and a reflective layer 208 is formed on the lower side thereof.
- the second recording layer 207 is constructed such that the recording and the reproduction of a phase change type or of an irreversible change recording type by heat or the like can be performed by irradiating it with the laser light LB through the transparent substrate 106, the first recording layer 107, and the semitransparent reflective film 108, in substantially the same manner as in the first recording layer 107.
- the second recording layer 207 and the reflective film 208 may be laminated, i.e.
- the second recording layer 207 and the reflective film 208 may be bonded or pasted on the transparent substrate 106.
- a transparent middle layer 205 made of a transparent adhesive or the like, between the semitransparent reflective film 108 and the second recording layer 207, as occasion demands, in accordance with the production method.
- the recording / reproduction in the first recording layer 107 or the second recording layer 207 is performed, depending on which recording layer has the focus position of laser light LB, i.e. depending on which layer is focused.
- FIG. 3 is a schematic cross sectional view enlarging the physical structure of the OPC area used in the OPC process of the optical disc in the first embodiment.
- FIG. 4 is a schematic cross sectional view enlarging the physical structure of the OPC area used in the OPC process of an optical disc in a comparison example.
- the optical disc 100 has two recording layers, i.e. the L0 layer (i.e. a recording layer corresponding to the first recording layer 107 in FIGs. 1 and FIG. 2) and the L1 layer (i.e. a recording layer corresponding to the second recording layer 207 in FIGs. 1 and FIG. 2).
- the laser light LB is irradiated from the lower side to the upper side, as opposed to FIGs. 1 and FIG. 2.
- the L0 layer is provided with a transmission area TA formed by embossed pits, which constitute one example of the "facing area” of the present invention and a transmission area TA0-2 in an unrecorded condition.
- the L1 layer is provided with an OPC area PCA1 in the lead-in area, for example.
- the OPC area PCA1 is further provided with OPC areas PCA1-1 and PCA 1-2, which constitute one example of the "predetermined area" of the present invention.
- the OPC area PCA1 is an area used for a process of detecting an optimum recording power (i.e. calibrating a recording laser power), i.e. a so-called OPC process.
- the OPC area PCA1 is used for the detection of the optimum recording laser power of the L1 layer. More specifically, after the test writing of an OPC pattern is completed, the test-written OPC pattern is reproduced, and the reproduced OPC pattern is subsequently sampled, to thereby detect the optimum recording power.
- the value of the optimum recording power obtained by the OPC process may be stored into a storage apparatus, such as a memory described later, mounted on the side of an information recording apparatus, or recorded into a management information recording area or the like of the information recording medium. Alternatively, the OPC process may be performed at each time of the recording operation.
- the laser light LB for the OPC process is irradiated onto the L0 layer and the L1 layer, from the side of a not-illustrated substrate, i.e., from the lower side to the upper side in FIG. 3, by an optical pickup of an information recording / reproducing apparatus described later, and the focal distance thereof or the like is controlled.
- the travel distance and direction in the radial direction of the optical disc 100 are controlled.
- the embossed pits are formed in the transmission area TA provided in the L0 layer, upon the production of the optical disc, for example.
- the light transmittance of the transmission area TA in which light is transmitted to the OPC area PCA1-1 of the L1 layer to be substantially the same or completely the same as the light transmittance of a transmission area TA0-1 in a recorded condition in the comparison example, explained in FIG. 4 described later.
- the light transmittance of the transmission area TA it is possible to make the light transmittance of the transmission area TA closer to (i) light transmittance under the assumption that (i-1) the embossed pits are not formed and that (i-2) the L0 layer is already recorded, as compared to (ii) light transmittance under the assumption that (ii-1) the embossed pits are not formed and that (ii-2) the L0 layer is unrecorded.
- the value of the optimum recording power for the L1 layer which responds to the case where the L0 layer is unrecorded, is detected by the laser light LB for recording which passes through the transmission area TAO-2 in which the L0 layer is unrecorded.
- the embossed pits are formed to adjust the light transmittance.
- an encryption key to encrypt or decrypt particular record information for copyright protection or CCI (Copy Control Information) or the like is recorded in the embossed pits, which allows more efficient use of the recording area.
- the L0 layer is provided with a transmission area TA0-1 in the recorded condition and a transmission area TA0-2 in the unrecorded condition, in the lead-in area, for example.
- the L1 layer is provided with an OPC area PCA1 in the lead-in area, for example, as in the above-mentioned first embodiment.
- the embossed pits are not formed in the transmission area TA0-1 of the L0 layer which faces the OPC area PCA1-1 of the L1 layer, such a process is required that the transmission area TA0-1 of the L0 layer, through which the laser light is transmitted, is made in the recorded condition by the information recording apparatus described later, in order to properly detect the optimum recording power of the OPC area PCA1-1 of the L1 layer.
- the embossed pits are formed in the transmission area, provided in the L0 layer upon the production of the optical disc, for example, as described above, so that it is possible to omit the recording operation to make the L0 layer in the recorded condition.
- FIG. 5 is a schematic cross sectional view enlarging the physical structure of the OPC area used in the OPC process of the optical disc in the second embodiment.
- the basic structure and the OPC process in the second embodiment of the information recording medium are substantially the same as those in the first embodiment, explained with reference to FIGs. 1 to FIG. 4.
- the first embodiment is further developed, and the OPC area PCA1-1 in which the OPC process is performed in the L1 layer is made smaller than the facing transmission area TA in which the embossed pits are formed in the L0 layer, so that it is possible to ensure a margin for the influence of an eccentricity between the layers, the divergence of the laser light, or the like in the two-layer type optical disc.
- the OPC area PCA1-1 in which the OPC process is performed in the L1 layer is made smaller than the facing transmission area TA in which the embossed pits are formed in the L0 layer, so that it is possible to ensure a margin for the influence of an eccentricity between the layers, the divergence of the laser light, or the like in the two-layer type optical disc.
- FIG. 6 is a schematic cross sectional view enlarging the physical structure of the OPC area used in the OPC process of the optical disc in the third embodiment.
- the basic structure and the OPC process in the third embodiment of the information recording medium are substantially the same as those in the first embodiment, explained with reference to FIGs. 1 to FIG. 4.
- the first embodiment is further developed, and the OPC areas PCA1-1 and PCA1-2 provided in the L1 layer and the OPC area PCA0 provided in the L0 layer are constructed to be shifted away from each other in the radial direction, not to be overlapped.
- the laser light LB when the test writing is performed in the OPC areas PCA1-1 and PCA1-2 is transmitted through the transmission area TA or the transmission area TA0-2 in the unrecorded condition, provided in the L0 layer, so that it is not transmitted through the OPC area PCA0 provided in the L0 layer.
- the test writing in the OPC areas PCA1-1 and PCA1-2 becomes inaccurate due to the state of the OPC area PCA0, i.e. whether it is recorded or unrecorded with test-writing information. If there is no shift in the radial direction as in the above manner, the optical characteristic, such as the light transmittance, varies in the OPC area PCA0, depending on whether it is recorded or unrecorded. Thus, the test writing in the predetermined area, performed through this area, becomes more or less inaccurate.
- the information recording apparatus of the present invention is applied to an information recording / reproducing apparatus for the optical disc.
- FIG. 7 is a block diagram showing the basic structure of the information recording /reproducing apparatus according to the embodiment of the information recording apparatus of the present invention.
- an information recording / reproducing apparatus 300 in the embodiment is provided with: a spindle motor 301; an optical pickup 310; a head amplifier 311; a RF detector 312; a servo circuit 315; an LD driver 320; a wobble detector 325; an LPP data detector 326; an envelope detector 330; an OPC pattern generator 340; a timing generator 345; a data collector 350; a buffer 360; a DVD modulator 370; a data ECC generator 380; a buffer 385; an interface 390; and a CPU (Central Processing Unit) 400.
- a spindle motor 301 an optical pickup 310
- a head amplifier 311 a RF detector 312
- a servo circuit 315 an LD driver 320
- a wobble detector 325 an LPP data detector 326
- an envelope detector 330 an OPC pattern generator 340
- a timing generator 345 a data collector 350
- the spindle motor 301 is intended to rotate the optical disc 100 at a predetermined speed, under spindle servo from the servo circuit 315 or the like.
- the optical pickup 310 is intended to perform the recording /reproduction with respect to the optical disc 100, and is provided with a semiconductor laser device, various lenses, an actuator, and the like. More specifically, the optical pickup 310 irradiates the optical disc 100 with the laser light, as reading light with a first power upon reproduction, and as writing light with a second power upon recording, with it modulated.
- the optical pickup 310 is constructed to be displaced in the radial direction or the like of the optical disc 100 by a not-illustrated actuator, slider, or the like, which is driven by the servo circuit 315.
- the head amplifier 311 amplifies the output signal (i.e. the reflected light of the laser light LB) of the optical pickup 310, and outputs the amplified signal. Specifically, a RF signal as being a reading signal is outputted to the RF detector 312 and the envelope detector 330, and a push-pull signal is outputted to the wobble detector 325 and the LPP data detector 326.
- the RF detector 312 is constructed to detect the RF signal and perform demodulation or the like, to thereby output the reproduction data to the exterior through the buffer 385 and the interface 390. Then, on external output equipment (e.g. a display device, such as a liquid crystal display and a plasma display, a speaker, or the like) connected to the interface 390, a predetermined content is reproduced and outputted.
- external output equipment e.g. a display device, such as a liquid crystal display and a plasma display, a speaker, or the like
- the servo circuit 315 displaces the objective lens of the optical pickup 310, on the basis of a tracking error signal and a focus error signal or the like, which are obtained by processing the light receiving result of the optical pickup 310, to thereby perform various servo processes, such as tracking control and focus control. Moreover, the servo circuit 315 is constructed to servo-control the spindle motor 301, on the basis of a wobble signal obtained from the wobble of the wobbled groove tracks on the optical disc 100.
- the LD driver 320 drives the semiconductor laser disposed in the optical pickup 310, in order to determine the optimum recording power in the recording and reproduction processes of the OPC pattern described later, upon the OPC process described later. After that, the LD driver 320 drives the semiconductor laser of the optical pickup 310 with the optimum recording laser power determined by the OPC process, upon the data recording. Upon the data recording, the optimum recording power is modulated in accordance with the record data.
- one specific example of the "writing device" of the present invention is constructed by including the spindle motor 301, the optical pickup 310, the servo circuit 315, the LD driver 320, described above, or the like.
- the wobble detector 325 is constructed to detect a push-pull signal which indicates the wobble signal, on the basis of the output signal corresponding to the light requirement from the head amplifier 311, which is a detector, disposed in the optical pickup 310, for receiving a reflected light beam, and to output it to the timing generator 345.
- the LPP data detector 326 is constructed to detect a push-pull signal which indicates an LPP signal, on the basis of the output signal corresponding to the light requirement from the head amplifier 311, which is a detector, disposed in the optical pickup 310, for receiving a reflected light beam, and to detect pre-format address information, for example, as described later. Then, the LPP data detector 326 is constructed to output the pre-format address information to the timing generator 345.
- the envelope detector 330 is constructed to detect the peak value and the bottom value of envelope detection of the RF signal as being the output signal from the head amplifier 311, in order to determine the optimum recording power, under the control of the CPU 400, upon the reproduction of the OPC pattern in the OPC process.
- the envelope detector 330 may include an A/D (Analog/Digital) converter or the like, for example.
- the OPC pattern generator 340 is constructed to output a signal which indicates the OPC pattern to the LD driver 320, on the basis of a timing signal from the timing generator 345, upon the recording of the OPC patter in the OPC process before the recording operation.
- the timing generator 345 detects absolute position information based on the management unit of the pre-format address information (e.g. ADIP word), on the basis of the pro-format address information inputted by the LPP data detector 326, upon the recording of the OPC pattern in the OPC process. Simultaneously, the timing generator 345 detects relative position information based on a slot unit (e.g. a slot unit corresponding to a length which is a natural number multiple of one cycle of the wobble signal) which is smaller than the management unit of the pre-format address information, on the basis of the cycle of the push-pull signal which indicates the wobble signal.
- a slot unit e.g. a slot unit corresponding to a length which is a natural number multiple of one cycle of the wobble signal
- the timing generator 345 can specify the recording start position. After that, the timing generator 345 generates and outputs a timing signal for writing the OPC pattern, on the basis of the cycle of the push-pull signal which indicates the wobble signal outputted from the wobble detector 345.
- the timing generator 345 can specify a reproduction start position, upon the reproduction of the OPC pattern in the OPC process, as in the recording. After that, the timing generator 345 generates and outputs a timing signal for sampling the reproduced OPC pattern, on the basis of the cycle of the push-pull signal which indicates the wobble signal outputted from the wobble detector 345.
- the data collector 350 is mainly a memory in general. For example, it is provided with an external RAM or the like. An envelope detected by the envelope detector 330 is stored into the data collector 350, and on the basis of this, the detection of an optimum recording laser power on the CPU 400, i.e., the OPC process, is performed.
- the buffer 360 is constructed to store therein the record data modulated by the DVD modulator 370 and output it to the LD driver 320.
- the DVD modulator 370 is constructed to perform DVD modulation with respect to the record data, and output it to the buffer 360.
- DVD modulation for example, 8/16 modulation may be performed.
- the data ECC generator 380 appends or adds a code for error correction to the record data which is inputted from the interface 390. Specifically, the data ECC generator 380 appends an ECC code in each predetermined block unit (e.g. ECC cluster unit), and outputs it to the DVD modulator 370.
- predetermined block unit e.g. ECC cluster unit
- the buffer 385 stores therein the reproduction data outputted from the RF detector 312, and outputs it to the external output equipment through the interface 390.
- the interface 390 receives the input of the record data or the like from external input equipment, and outputs it to the data ECC generator 380. Moreover, it may be constructed to output the reproduction data outputted from the RF detector 312, to the external output equipment, such as a speaker and a display.
- the CPU 400 controls the information recording apparatus 1 as a whole, by giving an instruction, i.e. by outputting a system command, to each device, such as the LD driver 320 and the servo circuit 315, in order to detect the optimum recording power.
- software for operating the CPU 400 is stored in an internal or external memory.
- test-writing control device of the present invention is constructed by including the CPU 400, the envelope detector 330, the OPC pattern generator 340, the timing generator 345, the LD driver 320, and the like.
- the information recording / reproducing apparatus 300 shown in FIG. 7 also functions as an information recording apparatus which can record the data, substantially by virtue of the optical pickup 310, the LD driver 320, the buffer 360, the DVD modulator 370, the data ECC generator 380, and other constitutional elements. Moreover, obviously, it functions as an information reproducing apparatus which can reproduce the data, substantially by virtue of the optical pickup 310, the head amplifier 311, the RF detector 312, and other constitutional elements.
- FIG. 8 is a flowchart showing the recording operation and the OPC process of the optical disc, performed by the information recording / reproducing apparatus, in the embodiment of the information recording apparatus of the present invention.
- step S101 it is judged whether or not the recording operation of the data onto the optical disc 100 is started through the data input / output control device 306, in accordance with an instruction from exterior input equipment or the like, under the control of the CPU 354 (step S101).
- the recording operation of the data onto the optical disc 100 is started (the step S101: Yes)
- it is further judged whether the recording layer which is a recording target is both the L0 layer and the L1 layer (step S102).
- the recording layer which is the recording target is both the L0 layer and the L1 layer (the step S102: Yes)
- the address information in the OPC areas in which the OPC process is performed in the L0 layer and the L1 layer is specified (step S103).
- step S104 it is judged whether or not the embossed pits are formed in the transmission area TA or TA0-2 of the L0 layer which faces the OPC area PCA1 of the L1 layer.
- the embossed pits are formed in the transmission area TA or TA0-2 of the L0 layer (the step S104: Yes)
- the OPC process is performed for the OPC area PCA0 in the L0 layer
- the OPC process is performed for the OPC are PCA1-1 in the L1 layer by the laser light LB transmitted through the transmission area TA (step S106).
- step S104 if the embossed pits are not formed in the transmission area TA or TA0-2 of the L0 layer (the step S104: No), the recording operation is performed in the transmission area TA0-2 of the L0 layer (step S105), to thereby form the recorded condition, and the operational flow goes to the above-mentioned step S106.
- step S107 the data is recorded into the L0 layer and the L1 layer with the optimum recording power detected in the OPC process in the step S106 (step S107).
- step S108 it is further judged whether or not the recording layer which is the recording target is only the L0 layer.
- the step S108 the address information in the OPC area in which the OPC process is performed in the L0 layer is specified (step S109).
- step S110 the OPC process is performed for the OPC are PCA0 of the L0 layer.
- step S111 the data is recorded into the L0 layer with the optimum recording power detected in the OPC process in the step S110 (step S111).
- step S108 if the recording layer which is the recording target is not only the L0 layer, i.e. if the recording layer which is the recording target is only the L1 layer (the step S108: No), the address information in the OPC area in which the OPC process is performed in the L1 layer is specified (step S112).
- step S113 it is judged whether or not the embossed pits are formed in the transmission area of the L0 layer which faces the OPC area of the L1 layer.
- the step S113: Yes if the embossed pits are formed in the transmission area of the L0 layer (the step S113: Yes), the OPC process is performed for the L1 layer (step S115).
- the step S115 it is possible to omit the preliminary recording operation in the L0 layer when the OPC process is performed by the information recording medium for the L1 layer.
- step S113 if the embossed pits are not formed in the transmission area of the L0 layer (the step S113: No), the recording operation is performed in the transmission area of the L0 layer (step S114), to thereby form the recorded condition, and the operational flow goes to the above-mentioned step S115.
- step S116 the data is recorded into the L1 layer with the optimum recording power detected in the OPC process in the step S115 (step S116).
- step S117 it is judged whether or not the recording operation of the data is ended.
- the step S117: Yes the series of recording operation performed by the information recording apparatus is completed.
- the step S117: No it is judged whether the recording layer which is the recording target is both the L0 layer and the L1 layer (the step S102).
- step S101 if the recording operation of the data onto the optical disc 100 is not started (the step S101: No), for example, a command to start the recording operation or the like is waited for.
- a write-once type or a rewritable type optical disc such as a two-layer type DVD-R or DVD-R/W
- an information recording /reproducing apparatus for the optical disc is explained as one specific example of the information recording apparatus.
- the present invention can be also applied to a multiple layer type optical disc, such as a three-layer type and a four-layer type, and an information recording /reproducing apparatus for the optical disc.
- the present invention can be also applied to a large-capacity recording medium, such as a Blu-ray disc, and an information / reproducing apparatus for the recording medium.
- the information recording medium, the information recording apparatus, and the information recording method in the present invention can be applied to a high-density optical disc, such as a DVD and a CD, and also applied to an information recording apparatus, such as a DVD recorder.
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004172529 | 2004-06-10 | ||
PCT/JP2005/010340 WO2005122159A1 (fr) | 2004-06-10 | 2005-06-06 | Système d’enregistrement d’informations, dispositif et procédé d’enregistrement d’informations |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1755117A1 true EP1755117A1 (fr) | 2007-02-21 |
EP1755117A4 EP1755117A4 (fr) | 2008-07-09 |
EP1755117B1 EP1755117B1 (fr) | 2011-08-24 |
Family
ID=35503319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05751085A Not-in-force EP1755117B1 (fr) | 2004-06-10 | 2005-06-06 | Système d'enregistrement d'informations, dispositif et procédé d'enregistrement d'informations |
Country Status (9)
Country | Link |
---|---|
US (1) | US7791997B2 (fr) |
EP (1) | EP1755117B1 (fr) |
JP (1) | JP4200335B2 (fr) |
CN (1) | CN1906680B (fr) |
AT (1) | ATE521966T1 (fr) |
BR (1) | BRPI0506376A (fr) |
HK (1) | HK1100304A1 (fr) |
TW (1) | TW200614219A (fr) |
WO (1) | WO2005122159A1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4276516B2 (ja) * | 2003-10-20 | 2009-06-10 | パイオニア株式会社 | 多層光記録媒体および光ピックアップ装置 |
JP3812584B1 (ja) * | 2005-02-16 | 2006-08-23 | 三菱電機株式会社 | 光ディスク及び光ディスク装置 |
JP4664425B2 (ja) * | 2009-06-05 | 2011-04-06 | 株式会社日立製作所 | 多層光ディスクの記録方法 |
JP5735202B2 (ja) * | 2009-07-03 | 2015-06-17 | ソニー株式会社 | 記録可能型光ディスク、記録装置、記録方法 |
JP6035840B2 (ja) * | 2012-04-23 | 2016-11-30 | ソニー株式会社 | 記録装置、記録方法、記録媒体 |
US9286159B2 (en) * | 2013-11-06 | 2016-03-15 | HGST Netherlands B.V. | Track-band squeezed-sector error correction in magnetic data storage devices |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1244096A2 (fr) * | 2001-03-21 | 2002-09-25 | Nippon Columbia Co., Ltd. | Support optique d'enregistrement d'information, méthode d'enregistrement d'information sur un support optique d'enregistrement d'information, et appareil d'enregistrement d'information |
EP1318509A1 (fr) * | 2000-09-13 | 2003-06-11 | Matsushita Electric Industrial Co., Ltd. | Procede, support et dispositif d'enregistrement d'informations optiques |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1171964A (en) * | 1966-09-22 | 1969-11-26 | Hayashibara Co | Improvements in or relating to Methods of Producing Isoamylase by Fermentation |
JP3720644B2 (ja) | 1999-08-06 | 2005-11-30 | 株式会社リコー | 最適記録パワー値決定方法と最適記録パワー値決定装置 |
JP2003022532A (ja) * | 2001-07-06 | 2003-01-24 | Columbia Music Entertainment Inc | 光情報記録媒体ならびにその記録方法および情報記録装置 |
US6788642B2 (en) * | 2001-04-06 | 2004-09-07 | Hitachi, Ltd. | Optical recording medium having unrecordable restricted block(s), and systems incorporating same |
CN1185632C (zh) * | 2001-10-16 | 2005-01-19 | 明基电通股份有限公司 | 光学写入功率的决定方法以及光盘存取*** |
JP2003168216A (ja) * | 2001-11-29 | 2003-06-13 | Sony Corp | 光記録媒体、並びに、光記録媒体に対する記録装置及び方法 |
DE60331679D1 (de) * | 2002-12-20 | 2010-04-22 | Mitsubishi Kagaku Media Corp L | Optisches aufzeichnungsmedium, aufzeichnungsverfahren für ein optisches aufzeichnungsmedium und recorder |
JP4249663B2 (ja) * | 2004-06-10 | 2009-04-02 | パイオニア株式会社 | 情報記録媒体、並びに情報記録装置及び方法 |
-
2005
- 2005-06-06 US US10/577,439 patent/US7791997B2/en not_active Expired - Fee Related
- 2005-06-06 AT AT05751085T patent/ATE521966T1/de not_active IP Right Cessation
- 2005-06-06 WO PCT/JP2005/010340 patent/WO2005122159A1/fr not_active Application Discontinuation
- 2005-06-06 JP JP2006514491A patent/JP4200335B2/ja not_active Expired - Fee Related
- 2005-06-06 CN CN2005800016225A patent/CN1906680B/zh not_active Expired - Fee Related
- 2005-06-06 BR BRPI0506376-0A patent/BRPI0506376A/pt not_active IP Right Cessation
- 2005-06-06 EP EP05751085A patent/EP1755117B1/fr not_active Not-in-force
- 2005-06-10 TW TW094119283A patent/TW200614219A/zh not_active IP Right Cessation
-
2007
- 2007-07-16 HK HK07107621.5A patent/HK1100304A1/xx not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1318509A1 (fr) * | 2000-09-13 | 2003-06-11 | Matsushita Electric Industrial Co., Ltd. | Procede, support et dispositif d'enregistrement d'informations optiques |
EP1244096A2 (fr) * | 2001-03-21 | 2002-09-25 | Nippon Columbia Co., Ltd. | Support optique d'enregistrement d'information, méthode d'enregistrement d'information sur un support optique d'enregistrement d'information, et appareil d'enregistrement d'information |
Non-Patent Citations (2)
Title |
---|
ECMA: STANDARDIZING INFORMATION AND COMMUNICATION SYSTEMS: "Standard ECMA-272, 2nd edition: 120 mm DVD Rewritable Disk (DVD-RAM)" STANDARD ECMA-272, XX, XX, no. 272, 1 June 1999 (1999-06-01), pages 1-99, XP002186767 * |
See also references of WO2005122159A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN1906680A (zh) | 2007-01-31 |
US20070121449A1 (en) | 2007-05-31 |
EP1755117A4 (fr) | 2008-07-09 |
JP4200335B2 (ja) | 2008-12-24 |
JPWO2005122159A1 (ja) | 2008-04-10 |
EP1755117B1 (fr) | 2011-08-24 |
BRPI0506376A (pt) | 2006-10-31 |
ATE521966T1 (de) | 2011-09-15 |
US7791997B2 (en) | 2010-09-07 |
TWI306253B (fr) | 2009-02-11 |
HK1100304A1 (en) | 2007-09-14 |
CN1906680B (zh) | 2010-09-01 |
WO2005122159A1 (fr) | 2005-12-22 |
TW200614219A (en) | 2006-05-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8194516B2 (en) | Information recording apparatus and method | |
US6894962B1 (en) | Optical information recording medium with sector address information | |
JP2002352469A (ja) | 多層情報記録媒体及び情報記録再生装置 | |
EP1727137B1 (fr) | Appareil et methode d'enregistrement d'informations et programme informatique de commande d'enregistrement | |
EP1755117B1 (fr) | Système d'enregistrement d'informations, dispositif et procédé d'enregistrement d'informations | |
US20050276212A1 (en) | Information record medium, and information record apparatus and method | |
US7817523B2 (en) | Recording medium, recording apparatus and recording method, and computer program | |
US7957245B2 (en) | Recording medium, recording method, and computer program | |
JPWO2006004087A1 (ja) | 情報記録媒体 | |
US7929404B2 (en) | Information recording medium, information recording apparatus, and computer program | |
JP2005011404A (ja) | 光記録媒体、記録装置及び記録方法 | |
US8331213B2 (en) | Information recording medium, information reproducing device and method, and apparatus and method for manufacturing information recording medium | |
KR100759910B1 (ko) | 정보 기록 매체, 및 정보 기록 장치 및 방법 | |
US7704580B2 (en) | Information recording medium | |
US8023383B2 (en) | Recording device, recording method, and computer program | |
US20090129220A1 (en) | Information recording medium, information reproducing apparatus and method, and apparatus for and method of manufacturing the information recording | |
JP4249753B2 (ja) | 光学式記録媒体、光学式記録媒体製造装置及び光学式記録媒体製造方法 | |
JPWO2006004089A1 (ja) | 情報記録媒体 | |
WO2005122160A1 (fr) | Système d’enregistrement d’informations et dispositif et procédé d’enregistrement d’informations | |
JPWO2011125159A1 (ja) | 情報記録媒体、情報記録装置及び方法、並びに情報再生装置及び方法 | |
JP2004006050A (ja) | 情報記録媒体 | |
JP2003223718A (ja) | 情報記録媒体、並びに情報記録装置及び情報記録方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20060518 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR |
|
REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1100304 Country of ref document: HK |
|
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20080605 |
|
17Q | First examination report despatched |
Effective date: 20090122 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: PIONEER CORPORATION |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 602005029745 Country of ref document: DE Effective date: 20111027 |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: VDEP Effective date: 20110824 |
|
LTIE | Lt: invalidation of european patent or patent extension |
Effective date: 20110824 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20111224 Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20110824 Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20111226 Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20110824 Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20110824 Ref country code: LT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20110824 |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: MK05 Ref document number: 521966 Country of ref document: AT Kind code of ref document: T Effective date: 20110824 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20110824 Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20111125 Ref country code: PL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20110824 Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20110824 Ref country code: AT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20110824 |
|
REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1100304 Country of ref document: HK |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20110824 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20110824 Ref country code: CZ Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20110824 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: EE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20110824 Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20110824 Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20110824 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20110824 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed |
Effective date: 20120525 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 602005029745 Country of ref document: DE Effective date: 20120525 |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: 746 Effective date: 20120830 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R084 Ref document number: 602005029745 Country of ref document: DE Effective date: 20120829 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20120630 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: MM4A |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20111205 Ref country code: IE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20120606 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20120630 Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20120630 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BG Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20111124 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20130619 Year of fee payment: 9 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20130703 Year of fee payment: 9 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20130620 Year of fee payment: 9 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: TR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20110824 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20120606 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: HU Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20050606 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 602005029745 Country of ref document: DE |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20140606 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20150227 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 602005029745 Country of ref document: DE Effective date: 20150101 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20150101 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20140630 Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20140606 |